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APA Citation
Fang, S., Wu, Y., & Tsai, P. (2020). heart Rate Variability and Risk of All-Cause Death and Cardiovascular Events in Patients With Cardiovascular Disease: A Meta-Analysis of Cohort Studies. Biological research for nursing, 22(1), 45–56. http://access.bl.uk/ark:/81055/vdc_100094138996.0x000018